Finding the Fourth Proportional to 7,467,414.30, 11,201,121.45 and 7,467,414.30
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Solution
The fourth proportional to 7,467,414.30, 11,201,121.45 and 7,467,414.30 is: 11,201,121.45
Step by Step Solution
- Step 1: Write the proportion equation
7,467,414.30 : 11,201,121.45 = 7,467,414.30 : x - Step 2: Convert to fraction form
7,467,414.30/11,201,121.45 = 7,467,414.30/x - Step 3: Cross multiply
7,467,414.30x = 11,201,121.45 × 7,467,414.30 - Step 4: Simplify right side
7,467,414.30x = 83,643,414,491,766.73 - Step 5: Solve for x
x = 83,643,414,491,766.73/7,467,414.30 - Step 6: Final answer
x = 11,201,121.45
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Double scale
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Similar ratio
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.